Truly welcome to complaints of the first foreign convention on belief and privateness in electronic enterprise, Zaragoza, Spain, held from August thirtieth to September 1st, 2004. This convention used to be an outgrowth of the 2 winning TrustBus inter- tional workshops, held in 2002 and 2003 along side the DEXA meetings in Aix-en-Provence and in Prague.

This e-book provides the court cases of the thirty second convention on present tendencies in thought and perform of desktop technology, held in Merin, Czech Republic. The forty five revised complete papers, offered including 10 invited contributions have been rigorously reviewed and chosen from 157 submissions. The papers have been prepared in 4 topical tracks on desktop technology foundations, instant, cellular, advert hoc and sensor networks, database applied sciences, and semantic internet applied sciences.